int ${pd_prefix}mirroring_mapping_add(p4_pd_mirror_id_t mirror_id,
uint16_t egress_port
)
{
RMT_LOG(P4_LOG_LEVEL_VERBOSE,
"adding mirroring mapping mirror_id -> egress_port: %d -> %d\n",
mirror_id, egress_port);
mirroring_mapping_t *mapping;
mapping = tommy_hashlin_search(&mirroring_mappings,
compare_mirroring_mappings,
&mirror_id,
tommy_inthash_u32(mirror_id));
if(mapping) {
mapping->egress_port = egress_port;
}
else {
mapping = malloc(sizeof(mirroring_mapping_t));
mapping->mirror_id = mirror_id;
mapping->egress_port = egress_port;
mapping->coalescing_session = NULL;
tommy_hashlin_insert(&mirroring_mappings,
&mapping->node,
mapping,
tommy_inthash_u32(mapping->mirror_id));
}
return 0;
}
static inline mirroring_mapping_t*
get_mirroring_mapping(const p4_pd_mirror_id_t mirror_id) {
mirroring_mapping_t *mapping;
mapping = tommy_hashlin_search(&mirroring_mappings,
compare_mirroring_mappings,
&mirror_id,
tommy_inthash_u32(mirror_id));
return mapping;
}
switchlink_db_status_t
switchlink_db_mac_get_intf(switchlink_mac_addr_t mac_addr,
switchlink_handle_t bridge_h,
switchlink_handle_t *intf_h) {
switchlink_db_mac_obj_t * obj;
uint32_t hash;
uint8_t key[SWITCHLINK_MAC_KEY_LEN];
switchlink_db_mac_key_hash(mac_addr, bridge_h, key, &hash);
obj = tommy_hashlin_search(&switchlink_db_mac_obj_hash,
switchlink_db_mac_cmp, key, hash);
if (!obj) {
return SWITCHLINK_DB_STATUS_ITEM_NOT_FOUND;
}
*intf_h = obj->intf_h;
return SWITCHLINK_DB_STATUS_SUCCESS;
}
switchlink_db_status_t switchlink_db_mac_delete(switchlink_mac_addr_t mac_addr,
switchlink_handle_t bridge_h) {
switchlink_db_mac_obj_t *obj;
uint32_t hash;
uint8_t key[SWITCHLINK_MAC_KEY_LEN];
switchlink_db_mac_key_hash(mac_addr, bridge_h, key, &hash);
obj = tommy_hashlin_search(
&switchlink_db_mac_obj_hash, switchlink_db_mac_cmp, key, hash);
if (!obj) {
return SWITCHLINK_DB_STATUS_ITEM_NOT_FOUND;
}
tommy_hashlin_remove_existing(&switchlink_db_mac_obj_hash, &obj->hash_node);
tommy_list_remove_existing(&switchlink_db_mac_obj_list, &obj->list_node);
switchlink_free(obj);
return SWITCHLINK_DB_STATUS_SUCCESS;
}
void *cheap_tcam_search(cheap_tcam_t *tcam,
uint8_t *key) {
tommy_list *hashmaps = &tcam->hashmaps;
tcam_hashmap_t *tcam_hashmap;
int max_priority = -1;
int priority;
void *entry;
void *result = NULL;
uint32_t hash;
uint8_t *masked_key = tcam->masked_key;
tommy_node* elem = tommy_list_head(hashmaps);
while(elem) {
tcam_hashmap = (tcam_hashmap_t *) elem->data;
int i;
for (i = 0; i < tcam->key_size; i++) {
masked_key[i] = key[i] & tcam_hashmap->mask[i];
}
hash = hashlittle(masked_key, tcam->key_size, 0);
/* TODO !!!: only returns the first one, what about priority !? */
entry = tommy_hashlin_search(&tcam_hashmap->hashmap,
tcam->cmp,
masked_key, hash);
if(entry) {
priority = tcam->get_priority(entry);
if(priority > max_priority){
max_priority = priority;
result = entry;
}
}
elem = elem->next;
}
return result;
}
void *find_hash_table(void *ht, void *key, int key_len, void *compare)
{
return tommy_hashlin_search(ht, compare, key, tommy_hash_u32(0, key, key_len));
}
